Medium Red Lava Rock starter-kit-orchid_related All Purpose Imperial Orchid Bark

All Purpose Imperial Orchid Bark Mini Bag

it is so pure

Micronutrients: Iron 0

and almost all commercially available plant mixes are made with peat moss

mosquitoes and black flies

Medium Red Lava Rock starter-kit-orchid_related All Purpose Imperial Orchid BarkLava rock is an excellent base for an inorganic rock mix. Many times if you get a Dendrobium from Hawaii you will notice that it has been potted in either black or red volcanic rock. This lava rock has good water retention with excellent aeration. Because it is inorganic, the mix will not break down and orchids that resent repotting can be left in their mix longer. Particle size is about 1 2 inch.